Tire.



'PATENTED JULY 2, 1907.

B. KEMPSHALL.

NOV-7.859.078.

TIRE." APPLIOATION FILED APR. 5, 1906. RENEWED MA! 9, 1907.

auwznfoz 4. Si? 6Z4 STATES PATEIYT OFFICE.

ELEAZER KEMPSHALL, OF BOSTON, MASSACHUSETTS, ASSIGNOR TO KEMPSHALL TIRECOMPANY, OF BOSTON, MASSACHUSETTS, A CORPORATION OF MAINE.

TIRE

Specification of Letters Patent.

Patented July 2, 1907.

To all whom it may concern.-

Be it known that I, ELEAZER KEMPSHALL, a citizen of the United States,residing at Boston, in the county of Suffolk and State of Massachusetts,have invented certain new and useful Improvements in Tires, of which thefollowing is a specification.

This invention relates t0-improvements in vehicle tires, of the typeformed of vulcanizable resilient sections and non-vulcanizable andstrengthening sections of material, incased in a resilient covering, andthe Whole vulcanized when assembled.

The improved tire is made up of resilient sections and plugs of likematerial, co-operating with sections of strengthening material. ofleather or like less resilient sections formed with one or more openingsto receive the plug or plugs, according to the character of tire to beconstructed, and a resilient covering for said sections.

One of the prime objects of the invention is to provide a tire composedof alternately arranged transversely disposed resilient sections ofmaterial, and sections of material of less resiliency, with a resilientcore and a resilient covering, the whole vulcanized in assembled form. v

The invention will be described in the following specification,reference being had to the accompanying drawings in which.

Figure 1 is a side elevation partially in section of a vehicle wheelprovidedwith my improved tire. Fig. 2 is a detail sectional perspectiveview. of the tire, part of the outer covering being broken away toexpose the laminated sections. Fig. 3 is a detail longitudinal sectionalview of the tire after it has been vulcanized. Fig. 4 is a similarvview, before being vulcanized. Fig. 5 is a detail sectional view of aslight modification. Fig. 6 is a detail view of another form of theinvention.

Referring particularly to the drawings, my improved tire is constructedof a-plurality of sections, 1 and 2, arranged transversely of" andalternately disposed throughout the length of the tire. Sections 1, areof relatively high'resilient material, as rubber, while the sections 2,are of less degree of resiliency, as leather, fibrous material or thelike. The sections conformto the transverse curvature of the tire, andmay be round in cross-section or flared at their outer edge to providemeans for holding it to a wheel felly.

The sections 1, are preferably in the form of disks of rubber, withplugs or projections 3, extending outwardly from one face. Plugs 3, maybe integrally separate pieces as shown at 3, in Fig. 5. The less re'silient sections of leather 2, are of substantially the same shape anddiameter with the flanges as sections 1, and each has a centrallydisposed opening 4, toreceive plug 3, of the adjacent resilientsection 1. While for ordinary use one circumferentially arranged row ofplugs will be quitesufiicient to. assist in withstanding the load strainof a vehicle, other plugs 3 may be used if desired. The plugs 3", arefitted in openings 4, in

section 2, the same as plug 3, fits in opening 4.

In each face of the less resilient sections I provide small pockets 5,0r grooves 6 to receive air which may be forced from the rubber sections1, when they are subjected to the vulcanizing process. By accommodatingthe air in the pockets, air bubbles in the rub her are dispensed with,and the quality of the rubber is considerably improved, and the wearingcapabilities prolonged. I

A covering 6, constructed of one or more pieces of rubber inclosessections 1 and 2, said covering being materially thickened on itsperiphery to providca substantial resilient tread portion 6.

The sections 1 and 2, are arranged alternately throughout the length ofthe tire, with their contacting surfaces cemented, or otherwise. securedtogether to provide a solid body formed of transversely arrangedscctioiisalternately disposed, .so that a relatively non-rosilieirtsection will be effective as a brace and reinforce for the resilientsection. When thus assembled the plugs 3, are fitted in the openings ofthe non-resilient sections, to form a resilient core. The sections areincased with the covering 6, and may be assembled one by one, or thecovering may be made in sections, and envelop scctions land 2, afterthey are put together; after the tire sections are assembled, the wholeis vulcanized, and the resilient sections 1, and the covering, also thefaces of the plugs and the adjacent resilient sections, fuse, forming asubstantial rubber tire with embedded transverse strengthening sectionsbetween the sections of rubber. The strengthening sections are not onlycmbedded in rubber but are prevented lrom moving laterally by thesubstantially solid core produced by the plugs. This core also serves tohold sections 2, in their normal position to resist the too free bendingwhen a load is applied to the tire When the. tire is traveling thestrain is not only radial, but circunilcrcntial. as

shown in dotted lines in Fig. 5, hcnce the pressure of the Walls of theopenings 4 is directly on the plugs 3", and as stated they serve toreturn sections 2, to their normal position.

A tire constructed as above described possesses a high degree ofresiliency, and is not susceptible to punctures. It possesses thefurther ad vantage of being formed with the disks as shown in Figs. 1 to4, -or be in' cheap, and owing to the use of relatively .nnn-rcsilimltsections of material, which is unaffected by the vulcanizing process, isvery durable.

7 While I prefer to, use'rubber and leather as the mat erial for thesections, it is of course obvious, that these selected sections being ofvulcanizable material, plugs extending'from selected sections to providea core embedded in the tire, and a resilient cover for the sections,

said cover being vulcanized to the sections.

2. A tire composed of. transverse sections of material having relativelydifferent degrees of resiliency, plugs extending from alternate sectionsto provide a core, and means binding the sections together.

3. A tire composed of transverse sections of material having relativelydifferent degrees of resiliency,-i'esilient plugs extending fromalternate sections provide a core, and means binding the sectionstogether.

4. A. tire composetl'of "transverse sections of material havingdifferent degrees of resiliency, a series of plugs extending betweenalternate sections to provide a core, and means bindingthe sectionstogether.

A tire composed of transverse sections having relatively differentdegrees of resiliency, said sections being alternately arrangedthroughout the length of the tire,

plugs extending from alternate sections and fitting in openings in theadjacent sections, and means binding the it lions together.

(3. A tire composed of transverse sections of resilient andnon-rcsilient sections of material, the latter sections formed withopenings, plugs extending from the resilient sections and fittingin theopenings in the non-resilient sections, and means binding the sectionstogether.

7. A tire composed of transverse sections of resilient and nonrcsilientsections of material, plugs connecting the resilient sections, theresilient sections being vulcanized to bind all the sections together. I

A tire composed of transversely arranged rubber sectioiis, plugsextending from the rubber sections, transversely armnged leathersections formed with openings to receive the plugs, and a cover fittingover the rubber and leather sections, the rubber sections and plugs andthe covering being vulcanized to bind the sectionstogether.

f). A tire composed of sections of rubber and leather, plugs embeddedbetween the sections, the plugs and rubber sections being vulcanized tobind the sections together.

10. A tire comprisingalternate sections of a resilient and a relativelynona-csilient material, a core, and v1 covering of resilient material toincase the sections, the covering being vulcanized to the resilientsections to bind the sections together.

11. A tire comprising tr'answrsely arranged alternate sections of aresilient and a relatively non-resilient material, a core, and acovering of resilient material to incase the sections, the coveringbeing vulcanized to the transversely arranged resilient sections to bindthe secthe resilient sections are vulcanized, the resilient sectionsbeing vulcanized to bind the sections together.

1-1. A tire composed of alternately arranged resilient and non-resilientsections of material, the non-resilient \sections having air pocketsformed to receive excess air when the resilient sections are vulcanized,and a resilient covering vulcanized to the resilient sections and"inclosing the non-resilient sections, the resilient sections and thecovering being vulcanized to bind the sections and covering together. I

15. A tire composed of transverse sections of resilient andnon-resilient sections of material, andresilient plugs connecting theresilientv sections, the resilient plugs and the resilient sectionsbeing vulcanized to bind the sections together. 4 167 A tire composed oftransverse sections of resilient and non-resilient sections of material,resilient plugs connecting the resilient sections, the resilient plugsand the resilient sections being vulcanized to bind the se'ctionstogether, and a cover fitting over the sections.

17. A the composed of transversely arranged resilient yulcanizablesections, plugs extending from the resilient sections, transverselyarranged relatively non-resilient sections formed with openings toreceive the plugs, and a cover fitting over the resilient and relativelynona-esilient sections, the resilient sections and plugs and thecovering being vulcanized to bind the sectlons'together.

18. A tire composed of resilient and non-resilient sections oftransversely alternately arranged sections of material, plugs arrangedat intervals between the sections to, provide a core embedded in thetire, a resilient covering for the sections, the resilient sections andthe covering being vulcanized to bind the sections together.

In testimony whereof I have signed my name to'this specification in thepresence of two subscribing witnesses.

ELEAZER 'KEMPSHALL.

Witnesses ELIZABETH L. MAcFA'rn, JNo. IMIRrn.

